<template>
  <div class="app-container">
    <!-- 搜索 -->
    <div class="search-div">
      <el-form label-width="70px" size="small">
        <el-row>
          <el-col :span="8">
            <el-form-item label="关 键 字">
              <el-input
                style="width: 95%"
                v-model="searchObj.keyword"
                placeholder="用户名/姓名/手机号码"
              ></el-input>
            </el-form-item>
          </el-col>
          <el-col :span="8">
            <el-form-item label="操作时间">
              <el-date-picker
                v-model="createTimes"
                type="datetimerange"
                range-separator="至"
                start-placeholder="开始时间"
                end-placeholder="结束时间"
                value-format="yyyy-MM-dd HH:mm:ss"
                style="margin-right: 10px; width: 100%"
              />
            </el-form-item>
          </el-col>
          <el-col :span="6" >
                <el-form-item label="身份" label-width="100px">
                    <template>
                        <el-select v-model="searchObj.roleId" placeholder="请选择"  style="margin-right: 10px; width: 100%">
                            <el-option
                            v-for="item in roleTypes"
                            :key="item.id"
                            :label="item.value"
                            :value="item.id">
                            </el-option>
                        </el-select>
                </template>
               </el-form-item>
             </el-col>
        </el-row>
        <el-row style="display: flex">
          <el-button
            type="primary"
            icon="el-icon-search"
            size="mini"
            @click="fetchData()"
            >搜索</el-button
          >
          <el-button icon="el-icon-refresh" size="mini" @click="resetData"
            >重置</el-button
          >
        </el-row>
      </el-form>
    </div>

    <!-- 工具条 -->
    <div class="tools-div">
      <el-button type="success" icon="el-icon-plus" size="mini" @click="add"
        >添 加</el-button
      >
      <el-button class="btn-add" size="mini" @click="batchRemove()"
        >批量删除</el-button
      >
    </div>

    <!--    用户管理 -->
    <div class="app-container">
      <!-- 列表 -->
      <el-table
        v-loading="listLoading"
        :data="list"
        stripe
        border
        @selection-change="handleSelectionChange"
        style="width: 100%; margin-top: 10px"
      >
        <el-table-column type="selection" />

        <el-table-column label="序号" width="70" align="center">
          <template slot-scope="scope">
            {{ (page - 1) * limit + scope.$index + 1 }}
          </template>
        </el-table-column>

        <el-table-column prop="username" label="用户名" width="100" />
        <el-table-column prop="nickName" label="姓名" width="100" />
        <el-table-column prop="age" label="年龄" width="100" >
          <template slot-scope="scope">
            <el-tag type="info" v-if="scope.row.age==null || scope.row.age==''">暂无数据</el-tag>
            <el-tag  v-if="scope.row.age!=null && scope.row.age!=''">{{scope.row.age}}</el-tag>
          </template>
        </el-table-column>
        <el-table-column prop="interest" label="兴趣" width="100" >
          <template slot-scope="scope">
            <el-tag type="info" v-if="scope.row.interest==null || scope.row.interest==''">暂无数据</el-tag>
            <el-tag  v-if="scope.row.interest!=null && scope.row.interest!=''">{{scope.row.interest}}</el-tag>
          </template>
        </el-table-column>
        <el-table-column prop="phone" label="手机" />
        <el-table-column prop="address" label="地址" >
          <template slot-scope="scope">
            <el-tag type="info" v-if="scope.row.address==null || scope.row.address==''">暂无数据</el-tag>
            <el-tag  v-if="scope.row.address!=null && scope.row.address!=''">{{scope.row.address}}</el-tag>
          </template>
        </el-table-column>
        <el-table-column prop="roleId" label="身份" >
                <template slot-scope="scope">
                    <el-tag type="warning" v-if="scope.row.roleId===1">管理员</el-tag>
                    <el-tag type="primary" v-if="scope.row.roleId===2">教师</el-tag>
                    <el-tag type="danger" v-if="scope.row.roleId===3">家长</el-tag>
                    <el-tag type="danger" v-if="scope.row.roleId===4">学生</el-tag>
            </template>
            </el-table-column>
        <el-table-column label="状态" width="80">
          <template slot-scope="scope">
            <el-switch
              v-model="scope.row.status === 1"
              @change="switchStatus(scope.row)"
            >
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column prop="createTime" label="创建时间" />

        <el-table-column label="操作" align="center" fixed="right">
          <template slot-scope="scope">
            <!-- <el-button
              type="warning"
              icon="el-icon-baseball"
              size="mini"
              @click="showAssignRole(scope.row)"
              title="分配角色"
            /> -->
            <el-button
              type="primary"
              icon="el-icon-edit"
              size="mini"
              @click="edit(scope.row.id)"
              title="修改"
            />
            <el-button
              type="danger"
              icon="el-icon-delete"
              size="mini"
              @click="removeDataById(scope.row.id)"
              title="删除"
            />
          </template>
        </el-table-column>
      </el-table>
    </div>

    <!-- 分页组件 -->
    <el-pagination
      :current-page="page"
      :total="total"
      :page-size="limit"
      style="padding: 30px 0; text-align: center"
      layout="total, prev, pager, next, jumper"
      @current-change="fetchData"
    />

    <!-- 添加布局页面代码 -->
    <el-dialog title="添加/修改" :visible.sync="dialogVisible" width="40%">
      <el-form
        ref="dataForm"
        :model="sysUser"
        label-width="100px"
        size="small"
        style="padding-right: 40px"
      >
        <el-form-item label="用户名" prop="username">
          <el-input v-model="sysUser.username" />
        </el-form-item>
        <el-form-item v-if="!sysUser.id" label="密码" prop="password">
          <el-input v-model="sysUser.password" type="password" />
        </el-form-item>
        <el-form-item label="姓名" prop="nickName">
          <el-input v-model="sysUser.nickName" />
        </el-form-item>
        <el-form-item label="手机" prop="phone">
          <el-input v-model="sysUser.phone" />
        </el-form-item>
        <el-form-item label="身份">
                <el-radio-group v-model="sysUser.roleId" >
                    <el-radio :label="1">管理员</el-radio>
                    <el-radio :label="2">教师</el-radio>
                    <el-radio :label="3">家长</el-radio>
                    <el-radio :label="4">学生</el-radio>
                </el-radio-group>
            </el-form-item>
        <el-form-item label="地址" prop="address">
          <el-input v-model="sysUser.address" />
        </el-form-item>
      </el-form>
    
      <span slot="footer" class="dialog-footer">
        <el-button
          @click="dialogVisible = false"
          size="small"
          icon="el-icon-refresh-right"
          >取 消</el-button
        >
        <el-button
          type="primary"
          icon="el-icon-check"
          @click="saveOrUpdate()"
          size="small"
          >确 定</el-button
        >
      </span>
    </el-dialog>

    <!-- 分配角色 -->
    <el-dialog title="分配角色" :visible.sync="dialogRoleVisible">
      <el-form label-width="80px">
        <el-form-item label="用户名">
          <el-input disabled :value="sysUser.username"></el-input>
        </el-form-item>

        <el-form-item label="角色列表">
          <el-checkbox
            :indeterminate="isIndeterminate"
            v-model="checkAll"
            @change="handleCheckAllChange"
            >全选</el-checkbox
          >
          <div style="margin: 15px 0"></div>
          <el-checkbox-group
            v-model="userRoleIds"
            @change="handleCheckedChange"
          >
            <el-checkbox
              v-for="role in allRoles"
              :key="role.id"
              :label="role.id"
              >{{ role.roleName }}</el-checkbox
            >
          </el-checkbox-group>
        </el-form-item>
      </el-form>
      <div slot="footer">
        <el-button type="primary" @click="assignRole" size="small"
          >保存</el-button
        >
        <el-button @click="dialogRoleVisible = false" size="small"
          >取消</el-button
        >
      </div>
    </el-dialog>
  </div>
</template>
   
   <script>
import api from "@/api/user/user.js";
// 引入 role.js
import apiRole from "@/api/role/role.js";

export default {
  data() {
    return {
      listLoading: true, // 数据是否正在加载
      list: [], // 数据列表
      total: 0, // 数据库中的总记录数
      page: 1, // 默认页码
      limit: 4, // 每页记录数
      searchObj: {}, // 查询表单对象
      // 处理时间范围条件的
      createTimes: [],
      dialogVisible: false,
      sysUser: {},
      saveBtnDisabled: false,
      // 选中的数据【批量删除】
      selectValueData: [],

      dialogRoleVisible: false,
      allRoles: [], // 所有角色列表
      userRoleIds: [], // 用户的角色ID的列表
      isIndeterminate: false, // 是否是不确定的
      checkAll: false, // 是否全选
      roleTypes: [
        // ( 1:管理员 2:教师 3：家长 4：学生)
        {
          id: 1,
          value: "管理员",
        },
        {
          id: 2,
          value: "教师",
        },
        {
          id: 3,
          value: "家长",
        },
        {
          id: 4,
          value: "学生",
        },
      ],
    };
  },
  created() {
    this.fetchData();
  },
  methods: {
    /*
      全选勾选状态发生改变的监听
      */
    handleCheckAllChange(value) {
      // value 当前勾选状态true/false
      // 如果当前全选, userRoleIds就是所有角色id的数组, 否则是空数组
      this.userRoleIds = value ? this.allRoles.map((item) => item.id) : [];
      // 如果当前不是全选也不全不选时, 指定为false
      this.isIndeterminate = false;
    },
    /*
      角色列表选中项发生改变的监听
      */
    handleCheckedChange(value) {
      const { userRoleIds, allRoles } = this;
      this.checkAll =
        userRoleIds.length === allRoles.length && allRoles.length > 0;
      this.isIndeterminate =
        userRoleIds.length > 0 && userRoleIds.length < allRoles.length;
    },

    //分配角色
    assignRole() {
      let assginRoleVo = {
        userId: this.sysUser.id,
        roleIdList: this.userRoleIds,
      };
      apiRole.assignRoles(assginRoleVo).then((response) => {
        this.$message.success(response.message || "分配角色成功");
        this.dialogRoleVisible = false;
        this.fetchData(this.page);
      });
    },

    //展示分配角色
    showAssignRole(row) {
      this.sysUser = row;
      this.dialogRoleVisible = true;
      apiRole.getRolesByUserId(row.id).then((response) => {
        this.allRoles = response.data.allRoles;
        this.userRoleIds = response.data.userRoleIds;
        this.checkAll = this.userRoleIds.length === this.allRoles.length;
        this.isIndeterminate =
          this.userRoleIds.length > 0 &&
          this.userRoleIds.length < this.allRoles.length;
      });
    },

    // 6、更改用户状态
    // 修改状态
    switchStatus(row) {
      // 如果 可用  设置为 不可用  如果不可用  设置为 可用
      row.status = row.status === 1 ? 0 : 1;
      api.updateStatus(row.id, row.status).then((response) => {
        //a.给出提示
        this.$message.success(response.message || "操作成功");
        //b.再次刷新列表
        this.fetchData();
      });
    },

    // 5、批量删除
    batchRemove() {
      // 判断是否有选中select
      if (this.selectValueData.length == 0) {
        this.$message.warning("请选择要删除的记录！");
        return;
      }
      this.$confirm("此操作将永久删除该文件, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).then(() => {
        var ids = [];
        for (var i = 0; i < this.selectValueData.length; i++) {
          var obj = this.selectValueData[i];
          // 获取id值
          var id = obj.id;
          // 将id放进到数组中
          ids.push(id);
        }
        api.batchremoveId(ids).then((response) => {
          // 提示
          this.$message({
            type: "success",
            message: "删除成功!",
          });
          // 刷新页面
          this.fetchData();
        });
      });
    },
    handleSelectionChange(selectValue) {
      //  console.log(selectValue);
      this.selectValueData = selectValue;
    },

    // 4、根据单个id,删除
    // 删除操作
    removeDataById(id) {
      this.$confirm("此操作将永久删除该文件, 是否继续?", "提示", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning",
      }).then(() => {
        // a.发送请求
        api.removeUserById(id).then((res) => {
          // 提示
          this.$message({
            type: "success",
            message: "删除成功!",
          });
          // b.刷新页面
          this.fetchData();
        });
      });
    },

    // 修改
    updateUser() {
      api.updateUser(this.sysUser).then((response) => {
        //a.提示语
        this.$message({
          message: "修改用户成功",
          type: "success",
        });
        //b.关闭弹框
        this.dialogVisible = false;
        //c.刷新数据列表
        this.fetchData();
      });
    },

    // 根据id 回显数据
    edit(id) {
      //a.根据id去得到当前用户
      api.getUserById(id).then((response) => {
        //b.将数据赋值给 sysUser
        this.sysUser = response.data;
        //c.打开弹框
        this.dialogVisible = true;
      });
    },

    // 添加或者修改
    saveOrUpdate() {
      if (this.sysUser.id != null) {
        this.updateUser();
      } else {
        this.addUser();
      }
    },

    // 3、添加
    addUser() {
      api.saveUser(this.sysUser).then((response) => {
        //a.提示语
        this.$message({
          message: "添加用户成功",
          type: "success",
        });
        //b.关闭弹框
        this.dialogVisible = false;
        //c.刷新数据列表
        this.fetchData();
      });
    },

    //打开弹框
    add() {
      // 当打开弹框之前，清空文本框所有数据
      this.sysUser = {};
      this.dialogVisible = true;
    },

    // 2、重置表单
    resetData() {
      // 1.清空条件搜索
      this.searchObj = {};
      //2.清空日期条件

      this.createTimes = [];
      //3.刷新数据列表
      this.fetchData();
    },

    // 1、分页+查找
    fetchData(page = 1) {
      this.page = page;
      if (this.createTimes && this.createTimes.length == 2) {
        this.searchObj.createTimeBegin = this.createTimes[0];
        this.searchObj.createTimeEnd = this.createTimes[1];
      }

      api
        .getUserPageInfo(this.page, this.limit, this.searchObj)
        .then((response) => {
          //this.list = response.data.list
          this.list = response.data.records;
          this.total = response.data.total;
          // 数据加载并绑定成功
          this.listLoading = false;
        });
    },
  },
};
</script>
  
<style>
</style>